CVE-2020-2759 : Exploit Details and Defense Strategies
Learn about CVE-2020-2759, a vulnerability in MySQL Server by Oracle Corporation allowing high privileged attackers to compromise the server, potentially leading to a denial of service attack. Find out the impacted versions and mitigation steps.
A vulnerability in the MySQL Server product of Oracle MySQL allows a high privileged attacker to compromise the server, potentially leading to a denial of service (DOS) attack.
Understanding CVE-2020-2759
This CVE involves a vulnerability in the MySQL Server product of Oracle MySQL, impacting versions 8.0.19 and prior.
What is CVE-2020-2759?
The vulnerability allows a high privileged attacker with network access to compromise the MySQL Server, potentially resulting in a DOS attack. The CVSS 3.0 Base Score is 4.9, indicating a medium severity vulnerability with high availability impact.
The Impact of CVE-2020-2759
Successful exploitation of this vulnerability can lead to unauthorized actions causing the MySQL Server to hang or crash, resulting in a complete denial of service.
Technical Details of CVE-2020-2759
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in the MySQL Server product of Oracle MySQL allows attackers to compromise the server, potentially leading to a DOS attack.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Versions Affected: 8.0.19 and prior
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: High
- User Interaction: None
- Scope: Unchanged
- CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Mitigation and Prevention
Protecting systems from CVE-2020-2759 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Oracle promptly.
- Monitor network traffic for any suspicious activities.
- Restrict network access to the MySQL Server.
Long-Term Security Practices
- Regularly update and patch MySQL Server to address known vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
- Conduct regular security assessments and audits to identify and mitigate risks.
Patching and Updates
- Stay informed about security updates from Oracle for MySQL Server.
- Apply patches and updates as soon as they are released to ensure system security.